The MSE brand offers incomparable quality and performance, a broad product line and significant cost savings. MSE imaging supplies are manufactured in ISO 9001:2000-certified facilities and are designed, engineered and produced to be a true alternative to the OEM. The entire MSE line is 100 guaranteed. Through ISO 14001 certification and SFI Sustainable Forestry Initiative certification, MSE helps to protect the environment by keeping used cartridges and cartridge components out of landfills. MSE products are packaged by Americans with disabilities under the federal governments ABILITYONE Program. This toner cartridge is compatible with HP LaserJet 4240, 4240N, 4250, 4250N, 4250TN, 4250DN, 4250DTN, 4250DTNSL, 4350, 4350N, 4350DTN, 4350DTNSL. It yields 10000 pages at 5 coverage. Device Types: Laser Printer Colors: Black Page-Yield: 10000 Supply Type: Toner.